But I don’t think that goes far enough to describe these designs in terms of their low costs or affordability. I was recently in an online discussion with several leaders in this field which will be published in Corporate Knights. Julia Novy-Hildesley, executive director of the Lemelson Foundation, made the point “cost is less important than value, the ability to pay and return on investment. Many very poor people will spend significant money on a productivity-enhancing technology if they believe they can generate a significant return on their investment.”